Software

Print Publishing

4 years Interleaf, 10 years Word, 6 months FrameMaker, 5 years PageMaker, many others, 10 years converting between file formats.

Online Publishing

1 year HTML, 4 months Interleaf WorldView, 4 months Microsoft Multimedia Viewer, 1 month Windows Help generator.

Illustration

6 months Photoshop, 1 year Kai's Power Tools, 6 months Adobe Illustrator, 10 years with various drawing packages, 5 years with various bitmap imaging programs, 4 years scanning, tracing, and converting file formats.

Programming (for in-house and utilities)

10 years BASIC and Visual Basic. 2 years FORTRAN. 1 year LISP. 6 months Perl. 10 years various macro or application languages for word processors, databases, and spreadsheets.

Operating Systems

4 years UNIX (Apollo, HP Apollo, Sun, SGI, Linux), 10+ years Macintosh, 10+ years DOS/Windows.